Dyfyniad APA
Nishizeki Takao & Rahman Sadiur. (2004). Planar graph drawing. World Scientific.
Dyfyniad Arddull Chicago
Nishizeki Takao and Rahman Sadiur. Planar Graph Drawing. New Jersey: World Scientific, 2004.
Dyfyniad MLA
Nishizeki Takao and Rahman Sadiur. Planar Graph Drawing. World Scientific, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.